使用压板夹持工件、搭压板的垫铁必须（）工件加紧表面。
A.微低于
B.等于
C.微高于
D.等于或微高于
参考答案：C
_____ the government's call to develop the west, many college graduates volunteer to work in western part
of China. [ ]
A. Responding to
B. Accustomed to
C. Addicted to
D. Adapting to
饲料原料
